Important Signs You Need a Furnace Repair Service The average life expectancy of a furnace is about fifteen years, and it is important to have regular maintenance to ensure that it runs to its maximum level. Listen and watch for signs your furnace needs tuning and spot problems before they shorten the life span of your furnace. The first manifestation that there is a potential problem with your furnace is a neglected or ignored furnace for a year or more. When was the last time your furnace was checked by a professional HVAC technician? If your answer is one year or even longer, then it is time to contact a furnace technician in Philadelphia to help you out. You would likely need filter replacement and most HVAC service companies offer monthly services for filter cleaning and replacement, as well as annual check-ups. A home furnace can either cause gas or water leak, wherein water leak is manifested by water pooling under or around your furnace, which is possibly caused by a clogged condensate line that should be addressed by a professional furnace or HVAC repair technician. Gas leak is usually manifested by smelly gas when the furnace is turned on, so it is important to shut it off by opening up your furnace, looking for the gas supply valve, and then turn it off. Avoid turning on a light switch, using gadgets or appliances, and lighting matches or lighters that can ignite a fire, and call a local professional furnace technician as soon as possible. If you hear strange sounds such as a scrape, thump, or bang at night, then your furnace needs to be repaired. Air barely comes out from the vents because of issues with the fans, belt or motor, so contact a professional furnace repair technician to rule out the real problem. Another warning sign that your furnace needs repair is if you need to turn the thermostat higher and higher to get the heat you need that is indicative of furnace failure. Malfunctioning of thermostat include tripped circuit breakers, loose wiring, and blown fuses that may pose greater risk for shock. Another obvious sign that your furnace might not be working is a sudden or unexpected rise in your utility bill, that is why you need to call a professional HVAC technician to rule out where the problem is. If your furnace is blowing cold air, then there must also be a problem with your furnace’s pilot light or thermocouple that needs to be checked by your HVAC technician. A clear indication that your furnace is over cycling include kicking on and off furnace, caused by improper air circulation, clogged filter, or thermostat complications. Obviously, if your HVAC is older than 15 years, you really need a new one than waste your money on repairs and monthly high energy bill.